People with intermittent arterial claudication often experience severe pain when walking. Psychologist Anne Cuperus used virtual reality to trick 20 patients, and discovered that they could suddenly walk much further. PhD defence on 10 December.

Giving lectures, marking exams, essays or theses, supervising students and PhDs, doing research and, as if that wasn’t enough, also trying to raise the necessary funding. There is a limited number of funds for academic research and a large number of applications. Many of our researchers therefore experience…

Last week, aviation professionals and leaders from around the world gathered in Chicago to celebrate the 80th anniversary of the Chicago Convention, the landmark treaty that laid the foundation for modern international civil aviation and established the International Civil Aviation Organization (ICAO).…

The Just Peace Festival's first edition is live! The Opening Event marked the beginning of two weeks filled with activities to reflect on what peace and justice mean in today's world.

The role of culture and diverse knowledge systems needs to be recognized when assessing nature’s contributions to people, a new policy forum paper in Science states. Alexander van Oudenhoven and thirty global experts present a new approach that will increase the effectiveness and legitimacy of policies…

2021 saw many prizes awarded to staff and students of Leiden Law School. Grants for new research projects were also awarded and our staff were invited to particpate on committees or recognised in other ways too. An overview of this year’s achievements is given below.

Gijs van der Velden has one of the best study results in his first college year of all science studies. With that, he won the Young Talent Incentive award and received 500 euros of the Koninklijke Hollandse Maatschappij der Wetenschappen (KHMW). The biology student remains quite nonchalantly. ‘Of course,…

Two Cleveringa books from Theo ten Kate's law library were donated to Leiden University by grandson Sebastiaan ten Kate on 24 November. They are the dissertations of W. Hugenholtz and J.G.L Röder, both PhD students of Rudolph Cleveringa. Ten Kate: 'The University is the right place for the books. Here,…

eLaw - Center for Law and Digital Technologies at Leiden University, participated in the Horizon Europe BIAS Project international co-creational workshop geared towards discussing fairness of AI applications in the hiring process and ALTAI requirements.

Simona Demková from the Europa Institute participated as a key speaker at the annual Digital Constitutionalism Academy on 27 and 28 March 2025. The Academy brought together leading scholars and practitioners to explore the evolving intersection of digital innovation, fundamental rights, and regulatory…

Undesirable associations with sex can be unlearned, but return if the circumstances change. They must therefore be unlearned in different situations. The drug D-cycloserine may help here. These are the findings of psychologist Mirte Brom.

Leiden University’s Institute for Security and Global Affairs and Dual PhD Centre jointly organize an online lecture on 23 April, 15.00 hrs by Cleveringa Professor General Roméo Dallaire on “How a better world is possible”: Cooperation between Science and Practice.

The current COVID-19 vaccination campaign involves injecting the vaccine into muscle tissue, but injecting a smaller amount of vaccine in the skin might also provide good protection. The #wakeuptocorona crowdfunding campaign has enabled Anna Roukens (LUMC) to examine the safety and efficacy of vaccination…

As of 1 September, archaeologist Amanda Henry has been appointed Full Professor at the Faculty of Archaeology, where she will hold the chair in Evolution in Hominin Diets. The appointment marks a new chapter in her academic journey, building on her longstanding research into ancient human diets and…

Mathematician Oliver Nagy still vividly remembers the first time he learned about a random walk. ‘The lecturer told us to imagine a company of drunken students who wander in the streets. At each intersection, they would spin one of them around and all would go in the direction where he or she came to…

Are maps objective or do they convey hidden messages that you would miss at first glance? A map is always a simplification of reality. Mapmakers reduce, distort and select. This allows the reader to be guided literally and figuratively. Leiden University Libraries (UBL) and the Museum Volkenkunde jointly…

On Thursday 15 February, the second ILS Lunch Seminar of 2018 took place. Prof. Jean-Pierre van der Rest and Maria Berghuis gave two excellent presentations on their particular research topics.

The Seeger Center for Hellenic Studies at Princeton University annually offers a limited number of Visiting Research Fellowships for scholars in the humanities or the social sciences worldwide, who wish to spend time in residence at Princeton pursuing independent research projects, free of teaching…

Alex Brandsen and Wouter Verschoof-van der Vaart, PhD candidates in the Digital Archaeology research group and the Data Science Research Programme, have been awarded a 444 grant by Young Academy Leiden. They are going to use it to hold a session in Oxford on improving collaboration between researchers…

Sumerian is a dead language that is not related to any other language. Howeverr, Bram Jagersma managed to compile a grammar of the language, based on inscriptions and clay tablets. Traces of the Sumerian number system can still be seen in our sixty-minute hour. Jagersma received his PhD on 4 Novembe…

Listening to birds and helping science, it is possible. Institute of Biology Leiden (IBL) researchers Karan Odom and Katharina Riebel launched a citizen science project to improve the worldwide documentation of female birdsong.

Now the Dutch national Law Sector Plan has been positively evaluated, the temporary funding provided to Leiden Law School for the research projects ‘Institutions for Conflict Resolution’ and ‘Empirical Legal Studies’ will become structural.

On behalf of its students and staff, the Executive Board of Leiden University would like to express our condolences to all those affected by last Friday’s earthquake in Morocco. We would also like to offer support to all students and staff who have family or friends in the area. In the meantime, several…

Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the Industrial Ecology student, the award is a crowning achievement after a difficult period of recovering from long COVID.

Carolien Rieffe is appointed an Honorary Professor at the prestigious UCL Institute of Education, University of London. Rieffe already holds a professorship, Social and Emotional Development, at Developmental Psychology, Leiden University. This new appointment strengthens the existing bond between Leiden…

With the aid of artificial intelligence (AI), care professionals at the LUMC (Leiden University Medical Center) are able to calculate quickly and accurately whether a coronavirus patient has suffered serious lung damage. They do this by putting a CT scan through the AI software of the CAD4COVID-CT p…

On 8 February Jan Michiel Otto, professor of Law and Governance in Developing Countries, delivered the dies lecture entitled: 'Unity in diversity. The topicality of professor C. van Vollenhoven'. Otto emphasized - following Van Vollenhoven - the importance of scope and respect for the public sphere…

Four videos tell the story of the history of Leiden University. The films were premiered on 2 November during the Leiden Film Festival.

On Thursday, December 12, 2024, historian and terrorism expert Beatrice de Graaf will deliver the 53rd Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title

It was already the most cited publication ever written at our faculty, but now a new milestone has been reached. Last month, a paper by emeritus professor Jan Reedijk and his co-authors surpassed 10,000 citations — and the count keeps rising.

Book publication 'Artistic Research in Music: Discipline and Resistance' marks the 20th anniversary of the Orpheus Institute..

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

Canal Cups, Auke-Florian Hiemstra and Liselotte Rambonnet’s project to rid Leiden of disposable plastic cups and its canals of litter, has taken 59th place in Trouw newspaper’s Top 100 sustainable initiatives.

The programme for the Leiden Asia Year in 2017 is now available. Rector Carel Stolker launched the new website www.leidenasiayear.nl at the opening of the Academic Year of Leiden University on 5 September.

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

A splendid milestone after seven years of collaborative research on the sustainable development of the Indonesian economy. Professor of Industrial Ecology Arnold Tukker has been appointed as a guest professor at the Faculty of Economics and Business of Universitas Padjadjaran (UNPAD) in the Indonesian…

The percentage of female professors at Leiden University has risen to 31.2 per cent. These are the results of the Women Professors Monitor 2021 published by the Dutch Network of Women Professors (LNVH). This puts Leiden University above the national average of 26.7 per cent.

On 11 June 2025, the MA in International Relations (MAIR) Programme convened its 2nd Humanities & IR Graduate Conference at The Hague Campus (Schouwburgstraat), welcoming over sixty participants from twenty institutions in Europe, North America, and Asia.

Brexit has been a kind of shock therapy for the EU and has eventually led to more appreciation for European cooperation. That is what Professor Luuk van Middelaar claimed on 30 November at the conference ‘Brexit and the future of the European Union’ which marked the 60th anniversary of the Europa Institute…

Today, Leiden University announces who the new Cluster Zuid on the Witte Singel will be named after. Summer 2023, a ballot determined the name of the complex on the former Van Wijkplaats/Van Eyckhof, which is expected to be completed in March. It was already established that the complex would be named…

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

How will future technological developments influence our everyday lives? This is the key question during the Brave New World symposium on 2 and 3 November.

An endless stream of publications, data and software accessible to all? Professor of Science Studies Thed van Leeuwen calls for a more human-centred approach and an overhaul of the PhD system.

On 14 September, the Leiden Essay Film Festival will kick off. This three-day festival, organised by the Academy of Creative and Performing Arts, marks a first for the Netherlands. Never before has there been a public event entirely dedicated to the exceptional genre of the essay film. The festival…

Recently, NWO has decided to grant two interdisciplinary research proposals for national and international consortia submitted by researchers from the Institute of Biology Leiden. One of the proposals is led by Prof. dr. Ariane Briegel, the other one by dr. Remko Offringa.

A series of upcoming activities by docARTES researchers Niels Berentsen, Bobby Mitchell, Shaya Feldman, and PhDArts researchers Jonas Staal, Riccardo Giacconi, Yota Ioannidou, and Brigitte Kovacs

Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. But the complicated relationship between…

More CO2 in the atmosphere is making food crops more calorific, less nutritious and potentially more toxic.

With the start of June, the annual Leiden Archaeology Field School has begun. Like last year, the Field School takes place in Oss. Every week, a group of 25 first year students gets to learn the ins and outs of a professional excavation.

Since its discovery thirty years ago, it remained a mystery: how does the body’s own marijuana move between nerve cells in the brain? Mario van der Stelt and his research group have now uncovered the answer. This insight could aid the development of new treatments for pain and neurological disorders…